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September Weather in Cassilandia, Brazil

Last updated: August 22, 2025

In Cassilandia, Brazil, the average temperature in September is a warm 27°C (80°F). During this time, temperatures can range from a cool 12°C (53°F) to a scorching 39°C (103°F). Expect about 24 mm (0.9 in) of precipitation spread over 3 days, accompanied by a comforting average humidity of 39%.

September Temperature in Cassilandia

In September in Cassilandia, the average temperature is 27°C (80°F). Maximums can reach 39°C (103°F) and minimums can be as low as 12°C (53°F). Travelers should be prepared for warm days and cooler evenings, making it an ideal destination for those who enjoy a mix of summer warmth and comfortable night temperatures.

September Weather in Cassilandia: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cassilandia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cassilandia, September typically has an average temperature of 27°C (80°F), with highs reaching up to 39°C (103°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777757171697380797778
Data source: Temperature data for Cassilandia generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Cassilandia

In Cassilandia in September, the precipitation amount is 24 mm (0.9 in) over a span of 3 days.

September Precipitation Trends in Cassilandia

The chart displays monthly precipitation patterns in Cassilandia, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Cassilandia, September typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1892051426633521524125192204
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cassilandia

In Cassilandia in September, humidity is 39%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making it comfortable for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Cassilandia

This chart illustrates the average monthly humidity levels in Cassilandia, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Cassilandia is approximately 39%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%87%81%72%63%57%48%39%34%64%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cassilandia

In Cassilandia in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Cassilandia.

Maximum UV Index Levels in Cassilandia for September

The chart shows the monthly maximum UV Index (UVI) for Cassilandia in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Cassilandia typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161614129891112151516
Data source: Cassilandia September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Cassilandia Compares to Other Months

Weather in Cassilandia varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cassilandia, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Cassilandia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)188 mm (7.4 inches)86%extreme
February Weather25°C (78°F)205 mm (8.1 inches)87%extreme
March Weather25°C (78°F)142 mm (5.6 inches)87%extreme
April Weather24°C (76°F)66 mm (2.6 inches)81%extreme
May Weather22°C (72°F)33 mm (1.3 inches)71%very high
June Weather22°C (71°F)5 mm (0.2 inches)63%very high
July Weather21°C (69°F)2 mm (0.1 inches)57%very high
August Weather23°C (73°F)15 mm (0.6 inches)47%extreme
September Weather27°C (80°F)24 mm (0.9 inches)39%extreme
October Weather26°C (79°F)125 mm (4.9 inches)34%extreme
November Weather25°C (78°F)192 mm (7.6 inches)64%extreme
December Weather25°C (78°F)204 mm (8.0 inches)84%extreme

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